Home / 169,920.13-254,863.72-51,592.50

Finding the Fourth Proportional to 169,920.13, 254,863.72 and 51,592.50

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Solution

The fourth proportional to 169,920.13, 254,863.72 and 51,592.50 is: 77,383.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,920.13 : 254,863.72 = 51,592.50 : x
  2. Step 2: Convert to fraction form
    169,920.13/254,863.72 = 51,592.50/x
  3. Step 3: Cross multiply
    169,920.13x = 254,863.72 × 51,592.50
  4. Step 4: Simplify right side
    169,920.13x = 13,149,056,474.10
  5. Step 5: Solve for x
    x = 13,149,056,474.10/169,920.13
  6. Step 6: Final answer
    x = 77,383.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.